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If radius of a potentiometer wire is doubled keeping its length and potential difference across it constant, then the value of its potential gradient will

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Important Questions on Current Electricity

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 5
Meter bridge is application of
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 6
The SI unit of resistivity is _____.
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 7
Kirchoff's loop rule is based on conservation of _____ .
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 8
Alloys of metals usually have _____ resistivity than that of their constituent alloys.
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 9
Write SI unit of current.
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 10
Write the dimensional formula of resistance.
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 12
Emf of a electrolytic cell is independent of nature of electrolyte present.
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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>Assignment>Q 13
Maximum current from cell of emf 10 V and internal resistance 10Ω is